343388222 has 4 divisors (see below), whose sum is σ = 515082336. Its totient is φ = 171694110.

The previous prime is 343388203. The next prime is 343388233. The reversal of 343388222 is 222883343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222883343 = 397 ⋅561419.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85847054 + ... + 85847057.

It is an arithmetic number, because the mean of its divisors is an integer number (128770584).

Almost surely, 2^343388222 is an apocalyptic number.

343388222 is a deficient number, since it is larger than the sum of its proper divisors (171694114).

343388222 is a wasteful number, since it uses less digits than its factorization.

343388222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171694113.

The product of its digits is 55296, while the sum is 35.

The square root of 343388222 is about 18530.7372222478. The cubic root of 343388222 is about 700.2639970227.

The spelling of 343388222 in words is "three hundred forty-three million, three hundred eighty-eight thousand, two hundred twenty-two".